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Subject: FW: [AH] Jupiter-8 MIDI retrofit - help!

From: "Verschut, Ricardo" <Ricardo_Verschut@...
Date: 1999-07-30

-----Original Message-----
From: Cary Roberts [mailto:Cary.Roberts@...]
Sent: Thursday, July 29, 1999 5:33 PM
To: Analogue Heaven
Cc: Pons, Thomas
Subject: Re: [AH] Jupiter-8 MIDI retrofit - help!

>- Do you think that, considering the - quite numerous - chips, the two
>boards and the large ribbon cables, it can be a simple NoteOn/NoteOff MIDI
>kit? (In a word: did I get screw?)
>- It seems that the mod has been done in Germany or Switzerland in the
>90's, partly by using an EES kit. May be some people on AH will recognize
>their MIDI-retrofit?
>- What should I do?

If you need more MIDI functionality, pull the retrofit out and buy
and Encore Electronics JP8 MIDI kit. It does everything under the
sun, and then some. Tony is on this list and can give you more details.
Their web address is:

They also make the best OBX, OB8, and moog Source kits on the planet.
Oh, and did I mention their eight channel MIDI to CV? It kicks butt.

And to answer your first question, yes, it is probably only
A good designer can implement features with little extra hardware (like
but it sounds like your MIDI retrofit uses the Z80 only to scan the
existing keyboard, receive/transmit MIDI note-ons/note-offs, and then
control the JP8 through the keyboard buss.